HTML (Hyper Text Markup Language) has language elements which permit
certain actions other than describing the structure of the web document. Which
one of the following actions is NOT supported by pure HTML (without any server
or client side scripting) pages?
(A) Embed web objects from different sites into the same page
(B) Refresh the page automatically after a specified interval
(C) Automatically redirect to another page upon download
(D) Display the client time as part of the page